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Casio FP-200 - Frequency Distribution Table; Program Outline; Data Input

Casio FP-200
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FREQUENCY
DISTRIBUTION TABLE
The
frequency
distribution
t,able
is
a
table
show-
ing
the
number
of
occurrences
of
each
of
several
classes which
represent
the
range
of
a given
variable. A
representation
of
a
frequency
distri-
bution
by
means
of
rectangles
whose
widths
represent
classes
and
whose
heights
represent
the
corresponding
frequencies
is
called a
histogram.
This
program
outputs
a
frequency
distribution
table
and
the
associated
histogram
on
a
plotter-
printer
(FP-101
lPL).
1.
Starting
the
program
I'
When
the
program
is
started,
it
displays
some
simple
explanatory
messages. Press
any
key
on
the
keyboard;
the
program
asks
for
the
method
of
data
input.
If
you
wish
to
input
data
from
the
keyboard,
press
the
K
key.
If
you
wish
to
input
data
from
tape,
press
the
T
key.
2.
Inputting
data
from
the
keyboard
If
you
press
the
K
key,
input
the
title
first.
Because
of
space
limitations,
the
title
must
not
exceed
15
characters
in length.
The
program
then
displays
the
prompt
"N0.1
- - > . "
Input
data
in
response
to
the
prompt.
If
incorrect
data
is
input,
press
the
"-"
key
and
the
program
returns
to
the
previous
input.
You
can
then
input
the
correct
data.
Pressing
the
E
key
terminates
data
input.
During
data
input
frlom
the
keyboard,
press
the
CTRL
and
N
keys
simultaneously
after
the
title
is
input.
This
makes
it possible
to
use
the
central
section
of
the
keyboard
as a
ten-key
keyboard,
facilitating
the
input
of
numeric
data.
Pressing
the
CTRL
and
N
keys again resets
the
keyboard
to
its
normal
function.
3.
Inputting
data
from
tape
Set
the
REMOTE
switch
on
the
FP-200
to
ON.
After
pressing
the
T
key,
connect
the
tape
recorder,
set
it for
playback
and
press
the
...J;
key.
The
input
of
data
from
the
tape
will
start.
4.
Correcting
.the
data
At the
end
of
data
input
from
the
keyboard
or
tape,
the
program
displays
the
title
and
the
number
of
data
items. It
then
asks
whether
or
not
there
is
data
to
be
corrected.
If
there
is
data
to
be
corrected,
press
the
Y key.
If
not,
press
the
N
key.
To
correct data,
first
input
the
data
number
to
be
'corrected,
then
input
the
correct
data.
Repeat
this
operation
until all
the
data
is
correct.
Press
the
N
key
when
there
is
no
more
data
to
be
corrected.
86

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